Sify Previous Years Solved Sample Placement Papers
- The average age of a man and his son is 28 years. The ratio of their ages is 3 : 1. What is the man's age?
1) 30 years
2) 38 years
3) 44 years
4) 42 years
5) None of these
Answer: 3) 44 years - A car manufacturing plant manufactures 96 dozen cars in eight days. How many dozen cars will the plant manufacture in 17 days?
1) 210
2) 224
3) 204
4) 209
5) None of these
Answer: 2) 224 - A and B together can complete a piece of work in 16 days. B alone can complete the same work in 24 days. In how many days can A alone complete the same work?
1) 34 days
2) 50 days
3) 48 days
4) 42 days
5) None of these
Answer: 3) 48 days - Find the average of the following set of scores: 142, 93, 102, 206, 115, 98.
1) 122
2) 106
3) 138
4) 117
5) None of these
Answer: 3) 138 -
If \(1 = (3/4)(1 + (y/x))\), then:
(a) \(x = 3y\) (Ans)
(b) \(x = y/3\)
(c) \(x = (2/3)y\)
(d) None
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The sum of six consecutive odd numbers is 888. What is the average of the numbers?
(a) 147
(b) 148 (Ans)
(c) 149
(d) 146
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If on an item a company gives a 25% discount, they earn a 25% profit. If they now give a 10% discount, what is the profit percentage?
(a) 40%
(b) 55%
(c) 35%
(d) 30% (Ans)
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A certain number of men can finish a piece of work in 10 days. If, however, there were 10 men less, it would take 10 days more for the work to be finished. How many men were there originally?
(a) 110 men (Ans)
(b) 130 men
(c) 100 men
(d) None of these
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In simple interest, what sum amounts to Rs.1120 in 4 years and Rs.1200 in 5 years?
(a) Rs. 500
(b) Rs. 600
(c) Rs. 800 (Ans)
(d) Rs. 900
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If a sum of money compounded annually amounts to thrice itself in 3 years, in how many years will it become 9 times itself?
(a) 6 (Ans)
(b) 8
(c) 10
(d) 12
How many meshes are there in 1 square meter of wire gauge if each mesh is 8 mm long and 5 mm wide?
(a) 2500
(b) 25000 (Ans)
(c) 250
(d) 250000